Luminaire



FIG. 1 is a perspective side view of the design for the luminaire of the present invention;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an end view thereof, the opposite end view being identical.

The broken lines shown on the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a luminaire, as shown and described. 